Showing structure for [(4ar,4bs,6r,6as,7r,10as,10br,12as)-8-acetyl-7-formyl-6-hydroxy-1,1,6a,10b-tetramethyl-2,3,4,4b,5,6,7,10,10a,11,12,12a-dodecahydrochrysen-4a-yl]methyl acetate